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Now showing items 11-20 of 105
The Prevalence Of Keratinophilic And Saprobic Fungi On Poultry Feathers In Egypt
(
Qatar University
, 1991 , Article)
Two methods were used for the isolation of dermatophytes and other fungi from the feathers of ducks, geese and turkeys: baiting technique and the dilution plate method. 86 species and 3 varieties belonging to 35 genera ...
Studies in bidirectional movement in vicia faba l.
(
Qatar University
, 1984 , Article)
Surgery was used to investigate bidirectional movement in a single vascular bundle of Vicia faba L. In one experiment it was found that radiocarbon had moved upwards and downwards via one isolated bundle when leaf one and ...
Edaphic Gradients And Species Attributes Influencing Plant Distribution In Littoral Salt Marshes Of Qatar
(
Qatar University
, 1994 , Article)
Edaphic gradients of moisture and salinity are critical environmental stresses that seriously influence littoral salt marsh flora, and determine the zonation of coastal vegetation. Shoreline communities subjected to severe ...
Study Of Aerobiology Of Alexandria, Egypt
(
Qatar University
, 1991 , Article)
The present study provides a survey of atmospheric pollen and fungal spores in the city of Alexandria with the aim of supplying information that may be useful in the treatment of aeroallergies. Considerable attention has ...
Mineral Content Of Soil And Wild Plants From Saudi Arabia
(
Qatar University
, 1996 , Article)
Soil and wild plant samples were collected from different localities from the industrial Yanbu city, Saudi Arabia, and analyzed for their mineral content. Soil samples from the tested localities differed greatly and contained ...
Partial characterization Of an alkalophilic extracellular Crude pectinases from a bacillus Polymyxa strain
(
Qatar University
, 1999 , Article)
A mesophilic spore forming isolate from the soil of Um-Qais region, which could produce extracellular pectinases was tentatively identified as Bacillus polymyxa. This bacterium grew best at 37°C and pH 7.0 and was able to ...
Plant phenology and its relation to the cool semi-arid condition of Sana'a
(
Qatar University
, 1997 , Article)
In the cool semi-arid highland areas of Sana'a a plant phenological study of forty two species revealed that there was one major
outburst of plant emergence corresponding with the first period of the heavy rainfall which ...
أشكال الارض وحياة النبات في قطر
(
Qatar University
, 1981 , Article)
Irrigation, Planting Date And Intra-Row Spacing Effects On Soybean Grown Under Dry Farming Systems
(
Qatar University
, 1987 , Article)
Two soybean cultivars (Glycine maxima (L) Merr.) differing in maturity period, leaf size and stem height were sown five times at fortnight intervals during the rainy season at four intra—row spacings under supplementary ...
Mycoflora Associated With Dry Dates In Upper Egypt: I - Mesophilic And Thermophilic Fungi
(
Qatar University
, 1988 , Article)
Twenty-eight species which belong to 16 genera were identified from 30 dry date samples collected from Upper Egypt and plated at 28°C. Aspergillus, PeniciUium and Fusanum were the most common genera on the carposphere and ...